GB2343752B - Gas detector - Google Patents

Gas detector

Info

Publication number
GB2343752B
GB2343752B GB9824931A GB9824931A GB2343752B GB 2343752 B GB2343752 B GB 2343752B GB 9824931 A GB9824931 A GB 9824931A GB 9824931 A GB9824931 A GB 9824931A GB 2343752 B GB2343752 B GB 2343752B
Authority
GB
United Kingdom
Prior art keywords
gas detector
detector
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9824931A
Other versions
GB2343752A (en
GB9824931D0 (en
Inventor
David Ian Ross
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Building Research Establishment Ltd
Original Assignee
Building Research Establishment Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Building Research Establishment Ltd filed Critical Building Research Establishment Ltd
Priority to GB9824931A priority Critical patent/GB2343752B/en
Publication of GB9824931D0 publication Critical patent/GB9824931D0/en
Publication of GB2343752A publication Critical patent/GB2343752A/en
Application granted granted Critical
Publication of GB2343752B publication Critical patent/GB2343752B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
    • G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—Specially adapted to detect a particular component
    • G01N33/0037—Specially adapted to detect a particular component for NOx
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—Specially adapted to detect a particular component
    • G01N33/004—Specially adapted to detect a particular component for CO, CO2
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
GB9824931A 1998-11-14 1998-11-14 Gas detector Expired - Fee Related GB2343752B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9824931A GB2343752B (en) 1998-11-14 1998-11-14 Gas detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9824931A GB2343752B (en) 1998-11-14 1998-11-14 Gas detector

Publications (3)

Publication Number Publication Date
GB9824931D0 GB9824931D0 (en) 1999-01-06
GB2343752A GB2343752A (en) 2000-05-17
GB2343752B true GB2343752B (en) 2003-05-14

Family

ID=10842416

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9824931A Expired - Fee Related GB2343752B (en) 1998-11-14 1998-11-14 Gas detector

Country Status (1)

Country Link
GB (1) GB2343752B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008141418A1 (en) * 2007-05-24 2008-11-27 Odotech Experts-Odeurs Methods and apparatuses for detecting odors
GB2514423A (en) * 2013-05-24 2014-11-26 Instr Uk Ltd Ag Gas analyser

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821090A (en) * 1973-06-14 1974-06-28 Rockwell International Corp Method for directly measuring no2 in air
US4052268A (en) * 1974-10-24 1977-10-04 Energetics Science, Inc. Method for the detection and measurement of nitric oxide, nitrogen dioxide and mixtures thereof
US4197177A (en) * 1978-05-22 1980-04-08 Proctor Albert E Apparatus for analysis of nitrogen oxides
US4315735A (en) * 1978-12-29 1982-02-16 Maerz Ofenbau Ag Process for calcining mineral raw materials in a uniflow regenerative shaft furnace
GB2238129A (en) * 1989-11-17 1991-05-22 Modern Controls Inc Electrochemical oxygen detecting system
WO1991019971A1 (en) * 1990-06-12 1991-12-26 Catalytica, Inc. Nox sensor and process for detecting no¿x?

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821090A (en) * 1973-06-14 1974-06-28 Rockwell International Corp Method for directly measuring no2 in air
US4052268A (en) * 1974-10-24 1977-10-04 Energetics Science, Inc. Method for the detection and measurement of nitric oxide, nitrogen dioxide and mixtures thereof
US4197177A (en) * 1978-05-22 1980-04-08 Proctor Albert E Apparatus for analysis of nitrogen oxides
US4315735A (en) * 1978-12-29 1982-02-16 Maerz Ofenbau Ag Process for calcining mineral raw materials in a uniflow regenerative shaft furnace
GB2238129A (en) * 1989-11-17 1991-05-22 Modern Controls Inc Electrochemical oxygen detecting system
WO1991019971A1 (en) * 1990-06-12 1991-12-26 Catalytica, Inc. Nox sensor and process for detecting no¿x?

Also Published As

Publication number Publication date
GB2343752A (en) 2000-05-17
GB9824931D0 (en) 1999-01-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030814